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Learn Chemistry with Us
- New Lessons
What is Atomic Mass?
Core Concepts In this article you will learn about the different things that contribute to atomic mass. What makes up...
Normality and Other Units of Concentration
Core Concepts There are many ways to measure concentration besides molarity. In this article we will discuss normality, specifically how...
Raman Spectroscopy
Raman Effect & Raman Scattering Raman spectroscopy is a nondestructive analysis technique that focuses on the vibrations of molecules and...
Graham’s Law of Effusion
Core Concepts In this tutorial, you will learn about Graham’s Law of Effusion. Additionally, this includes understanding the concepts of...
- New Elements
The Techy Element Technetium
Introduction to Technetium The element Technetium is a silvery gray transition metal. It has the atomic number of 43 and...
The Thrifty Element Tellurium
Introduction to Tellurium The element tellurium is a brittle, lustrous metalloid. Solar panels and both CDs and DVDs contain tellurium...
The Rare Element Radium
Introduction to the Element Radium Radium is an incredibly rare and highly radioactive element with remarkable properties. Discovered by Marie...
The Invaluable Element Iridium
Introduction to Iridium The element iridium is an extremely rare metal. It’s a silvery metal that is quite brittle and...
- New Experiments
Nitrogen Triiodide Synthesis
Overview Nitrogen Triiodide (NI3) is a brown-purple solid at room temperature that explodes when lightly perturbed. Nitrogen Triiodide is extremely...
Vanadium Oxidation States Experiment
This chemistry experiment shows you how to produce red, orange, green, yellow, blue and purple all in one solution, all...
Lab Procedure: Iodine Clock Reaction
Core Concepts In this lab tutorial, we learn about the iodine clock reaction, including its procedure, underlying chemistry, and data...
Briggs Rauscher Reaction
This is the Briggs Rauscher reaction, the coolest chemistry demonstration on the planet. This is an oscillating reaction, which means...
- New Resources
Paper and Thin-Layer Chromatography
Core Concepts In this article, you will first learn about paper chromatography, its procedure, and its applications. Then, you will...
Scientific Method
Core Concepts The scientific method is a set of steps that scientists may use to create and execute experiments to...
What is Infrared Spectroscopy
Core Concepts Infrared spectroscopy (IR spectroscopy) is a useful analytical technique for analyzing organic molecules. In this article, we will...
Lab Procedure: Simple Distillation
Core Concepts In this lab tutorial, we discuss simple distillation, including its distinction from fractional distillation, its underlying physical chemistry,...
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